JK
John Kline — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dallas-County, Iowa
Our Model Tree links this John Kline across the 1930 and 1940 US Censuses in Dallas-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dallas-County, Iowa |
| Surname | Kline |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Perry City |
| 1935 Residence (County) | Dallas |
| Additional Details | |
| Occupation | Attendant |
| Industry | Swimming Pool |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 150 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Attendant |
| Township / Ward | Perry City |
| Est. Birth Year | ~1923 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Katherine Kline | Spouse | — | 44 | ~1896 |
| Mary Kline | Daughter | — | 18 | ~1922 |
| Belf Kline | Head | — | 44 | ~1896 |
| John Kline | Son | — | 17 | ~1923 |
| James Kline | Son | — | 15 | ~1925 |
| Ruth Kline | Daughter | — | 10 | ~1930 |
| Kathryne Kline | Daughter | — | 13 | ~1927 |
Census Appearances
Son, age 7
Dallas, Iowa · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cline |
| Given Name | John A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dallas-County, Iowa
Son, age 17
Dallas-County, Iowa · implied b. ~1923 — 7 household members
| Surname | Kline |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Perry City |
| 1935 Residence (County) | Dallas |
| Occupation | Attendant |
| Industry | Swimming Pool |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 150 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Kline across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kline
Son · 1940 · age 17 · b. ~1923 · Iowa
★ You are viewing this record
Sibling
Ruth Kline
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kline
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryne Kline
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kline
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Dallas-County, Iowa
Open full size
1940 US Federal Census — Dallas-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01153-00499)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bessie Peterson | 45 | Wife | — | Iowa |
| 2 | Lowell Peterson | 23 | Son | — | Iowa |
| 3 | Fred Ling | 78 | Head | — | England |
| 4 | Alice Ling | 70 | Wife | — | Pennsylvania |
| 5 | Frank Upton | 18 | Grandson | Machine Apprentice | Iowa |
| 6 | Michael Utzig | 59 | Lodger | Painter | Iowa |
| 7 | George R. Mcmahon | 31 | Head | Brakeman | Iowa |
| 8 | Hazel Mcmahon | 28 | Wife | — | Iowa |
| 9 | Patrick Mcmahon | 4 | Daughter | — | Iowa |
| 10 | Charles J. Belle | 70 | Head | — | Iowa |
| 11 | Stella H. Belle | 57 | Wife | — | Iowa |
| 12 | Merle G. Belle | 19 | Son | Assistant Manager | Iowa |
| 13 | Ada Thorp | 70 | Head | — | Illinois |
| 14 | Walter H. Jarnagin | 70 | Head | Painter | Iowa |
| 15 | Cora Jarnagin | 64 | Wife | — | Iowa |
| 16 | Sarah Driscoll | 52 | Head | — | Iowa |
| 17 | Marcella Driscoll | 18 | Daughter | Assistant Librarian | Iowa |
| 18 | Patrick Morrow | 62 | Boarder | Road Grading | Iowa |
| 19 | Walter Morrow | 54 | Brother | — | Iowa |
| 20 | Roscoe Davis | 46 | Head | — | Indiana |
| 21 | Emma Davis | 40 | Wife | Housekeeper | Illinois |
| 22 | Mildred Davis | 17 | Daughter | — | Iowa |
| 23 | Roger Davis | 10 | Son | — | Iowa |
| 24 | Belf Kline | 44 | Head | Locomotive Fireman | Iowa |
| 25 | Katherine Kline | 44 | Wife | — | Ireland |
| 26 | Mary Kline | 18 | Daughter | — | Iowa |
| 27 | John Kline THIS PERSON | 17 | Son | Attendant | Iowa |
| 28 | James Kline | 15 | Son | — | Iowa |
| 29 | Kathryne Kline | 13 | Daughter | — | Iowa |
| 30 | Ruth Kline | 10 | Daughter | — | Iowa |
| 31 | Edward Cramer | 54 | Head | Painter | Iowa |
| 32 | Mary Cramer | 46 | Wife | Operator | Iowa |
| 33 | Don L. Cramer | 23 | Son | Painter | Iowa |
| 34 | Philip Walker | 20 | Lodger | Eviscerator | Iowa |
| 35 | Henry Flemming | 54 | Head | — | Iowa |
| 36 | Roscoe Flemming | 49 | Brother | Night Watchman | Iowa |
| 37 | Charley Wili | 59 | Head | Custodian | Iowa |
| 38 | Thelma Wili | 23 | Daughter | — | South Dakota |
| 39 | Mable A. Mckenzie | 42 | Head | — | Iowa |
| 40 | Marie Mckenzie | 21 | Daughter | Eviscerating | Minnesota |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)